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Les Mills
Les Mills
Les Mills
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UNITING THE WORLD OF FITNESS
Health Club Management

Health Club Management

News

Swimming pool water kills the COVID-19 virus in 30 seconds

A study by virologists at Imperial College London, which is awaiting peer-review, suggests the risk of COVID-19 transmission in swimming pool water is "incredibly low".

The study looked at the effects of swimming pool water on SARS-CoV-2, the virus which causes COVID-19, to assess the amount of time and contact needed to inactivate the virus in varying chlorine and pH levels.

The research established that 1.5mg per litre of free chlorine, coupled with a pH between 7-7.2 reduced the infectivity of the virus more than 1,000-fold within 30 seconds.

Additional testing of different free chlorine and pH ranges confirmed that chlorine in swimming pool water was more effective with a lower pH. This is in line with current guidance for swimming pool operation.

The research – which was commissioned by Swim England and Water Babies, and supported by RLSS UK – was undertaken by virologist and expert in respiratory viruses, Professor Wendy Barclay, together with research associate Dr Jonathan Brown and research technician Maya Moshe.

Professor Barclay said: “We performed these experiments at our high containment laboratories in London.

"Under these safe conditions, we are able to measure the ability of the virus to infect cells, which is the first step in its transmission.

"By mixing the virus with swimming pool water, we could show that the virus does not survive, meaning the water was no longer infectious.

"That, coupled with the huge dilution factor of virus that might find its way into a swimming pool from an infected person, suggests the chance of contracting COVID-19 from swimming pool water is negligible."

Sign up here to get HCM's weekly ezine and every issue of HCM magazine free on digital.
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News

Swimming pool water kills the COVID-19 virus in 30 seconds

A study by virologists at Imperial College London, which is awaiting peer-review, suggests the risk of COVID-19 transmission in swimming pool water is "incredibly low".

The study looked at the effects of swimming pool water on SARS-CoV-2, the virus which causes COVID-19, to assess the amount of time and contact needed to inactivate the virus in varying chlorine and pH levels.

The research established that 1.5mg per litre of free chlorine, coupled with a pH between 7-7.2 reduced the infectivity of the virus more than 1,000-fold within 30 seconds.

Additional testing of different free chlorine and pH ranges confirmed that chlorine in swimming pool water was more effective with a lower pH. This is in line with current guidance for swimming pool operation.

The research – which was commissioned by Swim England and Water Babies, and supported by RLSS UK – was undertaken by virologist and expert in respiratory viruses, Professor Wendy Barclay, together with research associate Dr Jonathan Brown and research technician Maya Moshe.

Professor Barclay said: “We performed these experiments at our high containment laboratories in London.

"Under these safe conditions, we are able to measure the ability of the virus to infect cells, which is the first step in its transmission.

"By mixing the virus with swimming pool water, we could show that the virus does not survive, meaning the water was no longer infectious.

"That, coupled with the huge dilution factor of virus that might find its way into a swimming pool from an infected person, suggests the chance of contracting COVID-19 from swimming pool water is negligible."

Sign up here to get HCM's weekly ezine and every issue of HCM magazine free on digital.
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News

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A new pioneering approach looks to help cancer patients prepare for and respond to treatment
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Health clubs and leisure centres in Northern Ireland reopened their doors on Friday 30 April,
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Opinion
promotion
The UK’s first dedicated leisure development framework has completed its first four-year term with £144m committed investment in public leisure projects.
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Featured supplier news
Featured supplier news: Engaging smart technology helps gyms and fitness professionals get their leading role back
Safety, quality of service, and member engagement are key in order to offer a unique fitness experience that will boost the re-start.
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Featured supplier news: Integrated workout solutions will underpin gyms' recovery, says Les Mills’ Martin Franklin
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Les Mills
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